Post-tensioning is a method used to strengthen
concrete and other materials. The system has tendons, which are steel cables
inside plastic pipes or sleeves. Post-tensioning is a form of pre-stressing.
Pre-stressing means that the steel is tensioned before the concrete has to
support the service loads. The system provides a high degree of flexibility in
column outline, span lengths and ramp configurations. It allows the concrete to
endure higher compressive load and resist the effects of shrinking. The system
is used in the construction of bridges, buildings, and in energy & power
industry. It allows bridges to be built to very demanding geometry requirements
such as variable super-elevation, complex curves, and significant grade
changes.
The key benefits are quicker construction,
reduction in slab thickness, high deflection limitations, reduction in slab
weight, reduction in slab thickness, high deflection limitations, high
repeatability from floor to floor or quick rotation of form works, material
savings, reduced lifetime costs, larger spans, reduction in steel reinforcement
& arrangement simplification, and increased performance
According to study, “Global
Post-Tensioning System Market 2019 by Manufacturers, Regions, Type and
Application, Forecast to 2024” the key companies operating in the global
post-tensioning system market are VSL International Ltd., Freyssinet, Suncoast
Post-Tension, Amsysco Inc., Tendon Systems LLC, SRG Ltd., BBV Systems GmbH,
Kaifeng Tianli, TMG Global Pte Ltd., Liuzhou OVM Machinery Co., Ltd., VLM, DSI,
DYWIDAG-Systems International, Traffic Prestreed, AYM, QMV.
Based on type, post-tensioning system market
is bifurcated into bonded post-tensioning system and un-bonded post-tensioning
system. Bonded post-tensioning system segment is used in bridges, both in the
superstructure and in cable-stayed bridges or cable-stays. In un-bonded
post-tensioning systems, plastic shield acts as a bond breaker between concrete
and pre-stressing strands, which provides security against damage through
mechanical handling and functions as a barrier that precludes moisture &
chemicals from reaching the strand. Based on materials and components, market
is bifurcated into anchorages & associated hardware, ducts, pre stressing
steel, and grout. Based on duct and tendon installation, market is bifurcated
into shop drawings, tendon testing on site, duct & anchor installation,
jacking methods, jacks & other stressing equipment, tendon installation,
stressing operations and stressing problems & solutions. In addition, based
on application, market is bifurcated into buildings, bridge, energy & power
industry, and others. In building construction, the system allows longer clear
spans, thinner slabs or less concrete, fewer beams & more slender and
dramatic elements.
The post-tensioning system market is driven by
rise in government safety regulations, followed by growth in construction &
infrastructure industry, surge in proposals for smart cities along with
energy-efficient structures and growth in technology advancements. However,
high costs of post-tensioning systems is a restrain factor of market. Moreover,
growth in development of such systems with high strength & rigidity and
stiffness post-tensioning systems are key opportunities for market.
Based on geography, the Asian-Pacific region
dominates the post-tensioning system market owing to rise in construction of
infrastructural facilities and growth in financial support from the governments
in the region. Whereas, the North-American and European regions are estimated
to witness higher growth rate as a result of rise in construction industries
over the forecast period.
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